Experienced Next.js & TypeScript Developer Needed for Bug Fixes and Performance Improvements

Posted 4 hours ago

Worldwide

Summary

Description We're looking for a skilled Next.js, React, and TypeScript developer to help identify, troubleshoot, and resolve issues in our existing web application. If you enjoy debugging complex problems, improving code quality, and optimizing application performance, we'd love to hear from you. Responsibilities ๐Ÿž Identify, investigate, and fix bugs in our Next.js application โš›๏ธ Resolve React and TypeScript issues across the codebase ๐Ÿ”ง Debug frontend functionality, state management, and application logic ๐Ÿš€ Improve performance, stability, and overall code reliability โœ… Test and verify fixes to ensure they don't introduce regressions ๐Ÿ“ Write clean, maintainable, and well-documented code Requirements โœ”๏ธ Strong experience with Next.js, React, and TypeScript โœ”๏ธ Proven debugging and problem-solving skills โœ”๏ธ Solid understanding of modern JavaScript (ES6+) and frontend best practices โœ”๏ธ Experience with Git and collaborative development workflows โœ”๏ธ Ability to quickly understand and work within an existing codebase โœ”๏ธ Strong attention to detail and commitment to writing clean, maintainable code Nice to Have Experience with API integration and debugging Familiarity with state management libraries (Redux, Zustand, Context API, etc.) Experience with performance optimization and Core Web Vitals Knowledge of testing frameworks such as Jest, React Testing Library, or Playwright What We're Looking For We're seeking someone who can quickly diagnose issues, communicate clearly, and deliver reliable fixes with minimal supervision. This is an excellent opportunity for a developer who enjoys improving existing applications rather than building from scratch. To Apply Please include: 1. A brief summary of your experience with Next.js and TypeScript. 2. Links to relevant projects or GitHub repositories. 3. Examples of similar debugging or bug-fixing work you've completed. We look forward to working with you!

  • $10.00

    Fixed-price
  • Expert
    Experience Level
  • Remote Job
  • One-time project
    Project Type
Skills and Expertise
Mandatory skills
JavaScript
TypeScript
Node.js
Activity on this job
  • Proposals:10 to 15
  • Last viewed by client:4 hours ago
  • Interviewing:
    1
  • Invites sent:
    1
  • Unanswered invites:
    0
About the client
Member since Jul 6, 2026
  • Malaysia
    Subang Jaya7:43 PM

Explore similar jobs on Upwork

Software DeveloperHourlyโ€ Posted 8 months ago
ASP.NET MVC
Django
Python
AngularJS
JavaScript
jQuery
WordPress
Google Chrome Extension
React
CRM Development
Microsoft Dynamics 365
Microsoft Dynamics CRM
Microsoft Dynamics Development
Microsoft PowerApps
Single Sign-On
Three.js
JavaScript
WordPress
AR Plugin
WooCommerce
3D Modeling

How it works

  • Post a job icon
    Create your free profile
    Highlight your skills and experience, show your portfolio, and set your ideal pay rate.
  • Talent comes to you icon
    Work the way you want
    Apply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
  • Payment simplified icon
    Get paid securely
    From contract to payment, we help you work safely and get paid securely.
Want to get started? Create a profile

About Upwork

  • Rating is 4.9 out of 5.
    4.9/5
    (Average rating of clients by professionals)
  • G2 2021
    #1 freelance platform
  • 49,000+
    Signed contract every week
  • $2.3B
    Freelancers earned on Upwork in 2020

Find the best freelance jobs

Growing your career is as easy as creating a free profile and finding work like this that fits your skills.

Trusted by

  • Microsoft Logo
  • Airbnb Logo
  • Bissell Logo
  • GoDaddy Logo